Bottle stopper



FIG. 1 is a side elevational view of a bottle stopper showing my new design;

FIG. 2 is an end elevational view thereof from the left of FIG. 1;

FIG. 3 is an end elevational view thereof from the right of FIG. 1;

FIG. 4 is a side elevational view thereof in a position rotated 90° about a horizontal axis from the position shown in FIG. 1; and,

FIG. 5 is a top and side perspective view thereof.

The sides opposite those shown in FIGS. 1 and 4 are identical thereto. 

The ornamental design for a bottle stopper, as shown and described. 